optimize _cat/nodes api

Signed-off-by: kkewwei <[email protected]>

qa/smoke-test-http/src/test/java/org/opensearch/http/HttpCatIT.java

@@ -10,13 +10,10 @@
 
 import org.apache.hc.core5.http.ParseException;
 import org.apache.hc.core5.http.io.entity.EntityUtils;
-import org.junit.AfterClass;
-import org.junit.BeforeClass;
 import org.opensearch.client.Request;
 import org.opensearch.client.Response;
 import org.opensearch.client.ResponseException;
 import org.opensearch.client.RestClient;
-import org.opensearch.common.SuppressForbidden;
 import org.opensearch.test.OpenSearchIntegTestCase;
 
 import java.io.IOException;
@@ -27,12 +24,6 @@
 @OpenSearchIntegTestCase.ClusterScope(scope = OpenSearchIntegTestCase.Scope.SUITE, supportsDedicatedMasters = false, numDataNodes = 5, numClientNodes = 0)
 public class HttpCatIT extends HttpSmokeTestCase {
 
-    @BeforeClass
-    @SuppressForbidden(reason = "Need to set system property here for the cluster with multi nodes")
-    public static void doNotSetAvailableProcessors() {
-        System.setProperty("opensearch.set.netty.runtime.available.processors", "false");
-    }
-
     public void testdoCatRequest() throws IOException, ParseException {
         try (RestClient restClient = getRestClient()) {
             int nodesCount = restClient.getNodes().size();
@@ -52,11 +43,5 @@ public void testdoCatRequest() throws IOException, ParseException {
         }
     }
 
-    @AfterClass
-    @SuppressForbidden(reason = "Need to reset system property here after test")
-    public static void doResetAvailableProcessors() {
-        System.setProperty("opensearch.set.netty.runtime.available.processors", "true");
-    }
-
 }